Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Free LCM Calculator determines the least common multiple (LCM) between 1870 and 1875 the smallest integer that is 701250 that is divisible by both numbers.
Least Common Multiple (LCM) of 1870 and 1875 is 701250.
LCM(1870,1875) = 701250
Least common multiple or lowest common denominator (LCD) can be calculated in three ways;
Least common multiple can be found by multiplying the highest exponent prime factors of 1870 and 1875. First we will calculate the prime factors of 1870 and 1875.
Prime Factorization of 1870
2 | 1870 |
5 | 935 |
11 | 187 |
17 | 17 |
1 |
Prime factors of 1870 are 2, 5, 11,17. Prime factorization of 1870 in exponential form is:
1870 = 21×51×111×171
Prime Factorization of 1875
3 | 1875 |
5 | 625 |
5 | 125 |
5 | 25 |
5 | 5 |
1 |
Prime factors of 1875 are 3,5. Prime factorization of 1875 in exponential form is:
1875 = 31×54
Now multiplying the highest exponent prime factors to calculate the LCM of 1870 and 1875.
LCM(1870,1875) = 21×31×54×111×171
LCM(1870,1875) = 701250
Factors of 1870
List of positive integer factors of 1870 that divides 1870 without a remainder.
1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870
Factors of 1875
List of positive integer factors of 1875 that divides 1875 without a remainder.
1, 3, 5, 15, 25, 75, 125, 375, 625, 1875
The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 1870 and 1875, than apply into the LCM equation.
GCF(1870,1875) = 5
LCM(1870,1875) = ( 1870 × 1875) / 5
LCM(1870,1875) = 3506250 / 5
LCM(1870,1875) = 701250
(i) The LCM of 1875 and 1870 is associative
LCM of 1870 and 1875 = LCM of 1875 and 1870
1. What is the LCM of 1870 and 1875?
Answer: LCM of 1870 and 1875 is 701250.
2. What are the Factors of 1870?
Answer: Factors of 1870 are 1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870. There are 16 integers that are factors of 1870. The greatest factor of 1870 is 1870.
3. What are the Factors of 1875?
Answer: Factors of 1875 are 1, 3, 5, 15, 25, 75, 125, 375, 625, 1875. There are 10 integers that are factors of 1875. The greatest factor of 1875 is 1875.
4. How to Find the LCM of 1870 and 1875?
Answer:
Least Common Multiple of 1870 and 1875 = 701250
Step 1: Find the prime factorization of 1870
1870 = 2 x 5 x 11 x 17
Step 2: Find the prime factorization of 1875
1875 = 3 x 5 x 5 x 5 x 5
Step 3: Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the lcm:
LCM = 701250 = 2 x 3 x 5 x 5 x 5 x 5 x 11 x 17
Step 4: Therefore, the least common multiple of 1870 and 1875 is 701250.